40236894319 has 2 divisors, whose sum is σ = 40236894320. Its totient is φ = 40236894318.

The previous prime is 40236894311. The next prime is 40236894337. The reversal of 40236894319 is 91349863204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40236894319 - 2³ = 40236894311 is a prime.

It is a super-2 number, since 2×40236894319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40236894311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118447159 + 20118447160.

It is an arithmetic number, because the mean of its divisors is an integer number (20118447160).

Almost surely, 2^40236894319 is an apocalyptic number.

40236894319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40236894319 is an equidigital number, since it uses as much as digits as its factorization.

40236894319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 40236894319 in words is "forty billion, two hundred thirty-six million, eight hundred ninety-four thousand, three hundred nineteen".